Answer:
They were originally used to describe something pleasant.
Explanation:
Based on the themes of believe's and imagination through, a child could think of it as realism... The book begins of the night of Christmas Eve.
All of these could be considered an "author's purpose". An author is technically anyone who writes anything, therefore the purpose of writing is theoretically limitless. If you have to choose one of these, however, it would be "to remind".